Water-tight Christmas tree light

Abstract

A water-tight Christmas tree light which includes a lamp socket having an outward flange around one end thereof, an outer projecting wall raised around the periphery, and an outside annular groove around the periphery between the outward flange and the outer projecting wall; a lamp bulb fastened to the lamp socket; and a rubber sealing cap having a tapered, hollow, cylindrical cap body mounted on the lamp socket around the lamp bulb to seal the gap between the lamp socket and the lamp bulb, an inward top flange pressed on the periphery of the lamp bulb, a chamfered bottom edge forced into the outside annular groove of the lamp socket, an inside annular flange, an inside projecting wall disposed between the inside annular flange and the chamfered bottom edge, the inside annular flange stopped against and between the inside projecting wall and the periphery of the lamp bulb, and an inside annular groove defined within the cap body and the inside projecting wall to snugly receive the outer projecting wall of the lamp socket.

We claim: 
     
       1. A water-tight Christmas tree light comprising: a lamp socket having an outward flange around one end thereof, an outside annular surface defining a lamp socket periphery, an outer projecting wall raised around the lamp socket periphery, said outward flange and said outer projecting wall defining an outside annular groove therebetween;   a lamp bulb fastened to said lamp socket, said lamp bulb having a lamp bulb periphery; and   a rubber sealing cap having a tapered, hollow, cylindrical cap body mounted on said lamp socket around said lamp bulb to seal a gap between said lamp socket and said lamp bulb, a first cap end and a second cap end opposite said first cap end, an inward top flange on said first cap end pressed on said lamp bulb periphery, a chamfered bottom edge on said second cap end forced into the outside annular groove of said lamp socket, an inside annular flange disposed between said inward top flange and said chamfered bottom edge, and an inside projecting wall disposed between said inside annular flange and said chamfered bottom edge, said inside annular flange being stopped against and between said inside projecting wall and said lamp socket periphery, and an inside annular groove defined within said cap body and said inside projecting wall to snugly receive the outer projecting wall of said lamp socket.   
     
     
       2. The water-tight Christmas tree light of claim 1 wherein said lamp socket is comprised of a lamp holder and a lamp base mounted within said lamp holder, the outward flange of said lamp socket being made at one end of said lamp base, the outer projecting wall and outside annular groove of said lamp socket being formed on said lamp holder.